Development of Maximum Power Point Tracking of Photovoltaic System with a Modified Dc-Dc Boost Converter and an Improved Tracking Algorithm

A. D. Usman, K. A. Abubilal, Idris Musa, S. M. Garba

Abstract


This research presents a maximum power point tracking of photovoltaic system with a modified dc-dc boost converter using an improved tracking algorithm. Many research works on MPPT were carried out using different techniques but most of these techniques suffer from inefficient selection of DC-DC converters and inefficiencies of the used tracking algorithms. To improve the performance of PV system, a modified DC-DC boost converter and an improved tracking algorithm (cuckoo search algorithm) are presented. In this work a method for tracking the global MPP is presented, which is based on controlling a DC-DC boost converter connected at the PV array output. The tracking algorithm employed (Improved Cuckoo Search Algorithm) was developed in a low cost Microcontroller and its performance was tested under different test conditions. The performance of MPPT controlled DC-DC boost converter are validated by simulation in SIMULINK-MATLAB program. While the performance of the developed modified scheme was evaluated using maximum power, tracking time and percentage tracking efficiency as performance metrics. All simulations were carried out in MATLAB 2018b. 


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References


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